Era
1918-1945
110
To 1865
70
19th century
64
20th century
47
18th century
42
Revolution, 1775-1783
39
1933-1945
31
1918-
29
Colonial period, ca. 1600-1775
29
1865-1918
25
1945-
25
1929
19
Revolution
19
1917-1945
17
Civil War, 1861-1865
16
To 1775
14
1914-
11
Since 1918
11
1700-1799
10
1975-
10
1775-1783
9
1775-1865
9
18e siècle
9
To 1933
9
1981-
8
19e siècle
8
1815-1861
7
1952-
7
1882-1945
6
1971-1981
6
1980-
6
1783-1865
5
17th century
5
1914-1918
5
1917-
5
1964-
5
Jusqu'à 1865
5
1775-1783 (Révolution)
4
1800-1899
4
1801-1809
4
1858-1898
4
1865-
4
1865-1900
4
1900-1999
4
1917-1936
4
1918-1932
4
1918-1933
4
1918-1959
4
1964-1975
4
20e siècle
4
more ...